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Portillo’s is Home to America’s favorite Chicago-style hot dogs, Italian beef, burgers, salads, and chocolate cake.

If you register for Portillo’s Birthday Club you will get a FREE Slice of their famous Chocolate Cake for your Birthday!

You can register yourself PLUS up to 3 children!

From their website:

One week before your birthday and on your birthday, you’ll receive an email and a pre-loaded offer in your account. Redeem the offer by placing an online order and adding a piece of cake at checkout, or show your offer code at checkout inside your nearest Portillo’s.

Portillo’s Locations


Offer subject to change and may vary by location.  Contact location to verify.